js Maximum call stack size exceeded

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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><title></title><meta charset="utf-8" /><script src="../jquery.js"></script><script>$(function () {// 测试 null的指向var func = function () {// 说明当call 的第一个参数为null是, 指向是window ,//console.log(arguments);//console.log(this);//console.log(this == window);//Array.prototype.join.apply(null, arguments);//console.log(arguments);}//func.call(null, 1, 2, 3);var funs = function (args) {//console.log(args);};func.apply(funs, [1, 2, 3]);// 解决方案document.getElementById = (function(func) {return function () {return func.apply(document, arguments);}})(document.getElementById);var getId = document.getElementById;console.log(getId('demo'));//document.getElementById.apply(document, 'demo');    //会栈溢出,/* 该实例输出的结果是   Maximum call stack size exceededdocument.getElementById = (function () {return function(){return document.getElementById.apply(document, arguments);}})();//var getIdss = document.getElementById;//console.log(getIdss('demo'));*//* 简化模型  输出结果为 Maximum call stack size exceeded *//*(function a() {a();})();*//*问题说明:1   栈溢出的错误原因是 : 重复的调用了匿名函数, 79L : 函数在调用后, document.getElementById 函数被改写,76L : 函数调用的不再是 原来的document.getElementById,简化后的函数体document.getElementById= function(){return document.getElementById.apply(document,argument);}在执行 document.getElementById() 后, 函数开始自己调用自己了, // 简化模式, 如果这么调用也会出现 栈溢出的问题,var a = function () {return a.apply(window, arguments);}a();解决问题的思路 :   参考结局方案.在运行时  func 为一个函数  getElementById(){};*//*document.getElementById = (function () {return  function() {return document.getElementById.apply(window, arguments);}})();var getId = document.getElementById;console.log(getId('demo'));*/});</script>
</head>
<body><div id="demo">demo</div>
</body>
</html>

转载于:https://my.oschina.net/u/1579560/blog/838764

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